I am sooo glad i have found this site. I am 48, cut a long story short i had weird anxiety/panic attack stuff last year. I had blood tests/Thyroid function etc as my sister and dad have an underactive Thyroid, however my test results were all ok. My monthly cycle has radically altered in the past two years going from 32/36 days to 28/30 days. This month 26 days! I suffer bad PMS, always have, with each month varying in severity. This month was the worst it has been, about a week before my period i started to get palpitations, (new) awful anxiety, mood swings and would cry at the drop of a hat. As soon as i got my period on Monday all of this stopped. I have had a blood test today and I will be relieved if there is a hormone imbalance!! as that would explain a lot. I found another website that mentioned taking Magnesium as i read it helps. I would not be suprised if i was peri menopausal just want some answers and feel that when i go to the DRs they are not listening to me.